Home / 38,234,729.20-57,344,123.40-13,985,078.80

Finding the Fourth Proportional to 38,234,729.20, 57,344,123.40 and 13,985,078.80

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Solution

The fourth proportional to 38,234,729.20, 57,344,123.40 and 13,985,078.80 is: 20,974,702.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,234,729.20 : 57,344,123.40 = 13,985,078.80 : x
  2. Step 2: Convert to fraction form
    38,234,729.20/57,344,123.40 = 13,985,078.80/x
  3. Step 3: Cross multiply
    38,234,729.20x = 57,344,123.40 × 13,985,078.80
  4. Step 4: Simplify right side
    38,234,729.20x = 801,962,084,465,924
  5. Step 5: Solve for x
    x = 801,962,084,465,924/38,234,729.20
  6. Step 6: Final answer
    x = 20,974,702.87

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.